[仿真]A Study of Effective Permittivity for Thermotropic Liquid Crystals in 7.8 - 12.4 GHz Frequency Range

Abstract - A liquid crystal study was performed, in order to M(/ATOJ(  
determine the relative effective electric permittivity, using a xk*&zAt  
microwave simulation method Three thermotropic types of JuKG#F#,  
liquid crystals: nematic, smectic and chotesteric were considered $Vp*,oRL  
and their structures were simulated with the help of a 2if7|o$=  
microwave simulation program: High Frequency Structure ZO#f)>s2  
Simulator (HFSS - Ansoft Technologies). An analysis method R0g^0K.  
based on physical considerations for the caiculation of the cTJi8f=g  
effective permittivity of the considered structures was used for 4'wbtE|  
the frequency range 7.8 - 12.4 GHz, where the precision of the -Lhq.Q*a  
method is the best, The results were commented from the point {)jTq??  
'of view of effective permittivity .. ,` 64t'g  
;0vCZaEF  

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